145318868 has 12 divisors (see below), whose sum is σ = 254469600. Its totient is φ = 72613272.

The previous prime is 145318847. The next prime is 145318937. The reversal of 145318868 is 868813541.

It is a happy number.

It is a super-2 number, since 2×145318868² = 42235146793602848, which contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3896 + ... + 17487.

It is an arithmetic number, because the mean of its divisors is an integer number (21205800).

Almost surely, 2^145318868 is an apocalyptic number.

It is an amenable number.

145318868 is a deficient number, since it is larger than the sum of its proper divisors (109150732).

145318868 is a wasteful number, since it uses less digits than its factorization.

145318868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23086 (or 23084 counting only the distinct ones).

The product of its digits is 184320, while the sum is 44.

The square root of 145318868 is about 12054.8275806832. The cubic root of 145318868 is about 525.7436089926.

The spelling of 145318868 in words is "one hundred forty-five million, three hundred eighteen thousand, eight hundred sixty-eight".